原式=88×654-7552-200-3561-439+2202-8002-40000+23
=88×654-7752-3561-8002+2202-200-439+23-40000
=88×654-57729
=57552-57729
=-177
88×654=57552
57552-7552=50000
50000-50000÷25=50000-2000=48000
48000-3561-439=48000-(3561+439)=48000-4000=44000
44000+2202-8002=44000-(8002-2202)=44000-5800=38200
38200-80000÷2=38200-40000=-1800
-1800+69÷3=-1800+23=-1777